Energy and Matter

2. Lighting and bacteria in the soil are the only two ways nitrogen gas can be converted for producers to us
3. Law that states that energy cannot be created or destroyed.
4. A tool that can be used to trace the flow of energy through an ecosystem.
6. The movement of nitrogen between the environment and living things.
12. Law that states that mass cannot be created or destroyed.
14. Take in matter, such as carbon dioxide, nitrogen and water from air and soil to make food.

1. The movement of water between the oceans, atmosphere, land and living things.
5. Get energy by eating producers or other consumers.
7. An important building block of organisms.
8. Kind of consumer that eats primary consumers.
9. Kind of consumer that get matter from producers.
10. The original source of energy.
11. Anything that has mass and takes up space.
13. The ability to do work and enables organisms to use matter in life processes.